Add second sequential asset expansion batch

docs/asset-backlog.md

@@ -6,9 +6,9 @@ generated, connected, validated, built, flow-tested, committed, and pushed.
 
 ## Current Baseline
 
-- Story images: 44 files after Batch 1.
-- Portraits: 18 files after Batch 1.
-- Unit sheets: 106 files, 53 complete base/action design pairs after Batch 1.
+- Story images: 54 files after Batch 2.
+- Portraits: 26 files after Batch 2.
+- Unit sheets: 114 files, 57 complete base/action design pairs after Batch 2.
 - Target direction:
   - Story: about 5 images per major campaign chapter across 65 campaign stages.
   - Portraits: one portrait for every important `scenario.ts` speaker.
@@ -57,3 +57,60 @@ missing portrait speakers.
   `huang-zhong.png`, `cao-cao.png`, `wei-yan.png`, `ma-dai.png`, `meng-huo.png`.
 - Units: faction/class variants for Shu, Wei, Wu, Nanman, rebel remnants, and
   named-general alternates until the complete design count reaches 100+.
+
+## Batch 2 Priority
+
+Status: complete and ready for build/flow verification.
+
+### Story
+
+- `45-yizhou-council-at-river.png`
+- `46-yizhou-mountain-gate.png`
+- `47-jingzhou-crisis-watchtower-alarm.png`
+- `48-jingzhou-crisis-refugee-court.png`
+- `49-fan-castle-flood-rising-water.png`
+- `50-fan-castle-flood-siege-engines.png`
+- `51-jieting-crisis-supply-line.png`
+- `52-jieting-crisis-mountain-camp.png`
+- `53-chengdu-surrender-hall.png`
+- `54-anti-dong-hulao-pass.png`
+
+### Portraits
+
+- `wu-yi.png`
+- `li-yan.png`
+- `ma-chao.png`
+- `gong-zhi.png`
+- `huang-zhong.png`
+- `cao-cao.png`
+- `wei-yan.png`
+- `meng-huo.png`
+
+### Units
+
+- `unit-shu-infantry-guard.png` + `unit-shu-infantry-guard-actions.png`
+- `unit-shu-cavalry-white.png` + `unit-shu-cavalry-white-actions.png`
+- `unit-wei-cavalry-iron.png` + `unit-wei-cavalry-iron-actions.png`
+- `unit-wu-archer-river.png` + `unit-wu-archer-river-actions.png`
+
+## Batch 3 Priority
+
+Status: planned.
+
+The early-game unit sheets should be remastered because the newer generated units
+have a stronger silhouette, cleaner 4x4 framing, and better action readability.
+Keep the existing texture keys so code paths and saved scenarios continue to work.
+
+### Unit Remasters
+
+- `unit-liu-bei.png` + `unit-liu-bei-actions.png`
+- `unit-guan-yu.png` + `unit-guan-yu-actions.png`
+- `unit-zhang-fei.png` + `unit-zhang-fei-actions.png`
+- `unit-rebel.png` + `unit-rebel-actions.png`
+- `unit-rebel-archer.png` + `unit-rebel-archer-actions.png`
+- `unit-rebel-cavalry.png` + `unit-rebel-cavalry-actions.png`
+- `unit-rebel-leader.png` + `unit-rebel-leader-actions.png`
+
+### Remaining Portraits
+
+- `ma-dai.png`